package com.cn.wanxi.servlet.product;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.cn.wanxi.model.ProductModel;
import com.cn.wanxi.model.ResultModel;
import com.cn.wanxi.model.UserModel;
import com.cn.wanxi.service.ProductService;
import com.cn.wanxi.service.UserService;
import com.cn.wanxi.service.impl.ProductServiceImpl;
import com.cn.wanxi.service.impl.UserServiceImpl;
import com.cn.wanxi.util.Tool;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/back/product/findAll")
public class ProductFindAllServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //        0.乱码处理
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
//        1.得到数据
        String curPage = req.getParameter("page");//第几页
        String pageSize = req.getParameter("limit");//每页显示多少条
//        2.封装数据
        ProductModel productModel = new ProductModel();

//        如果前段没有传值或者传了一个空置，则默认第一页
        productModel.setCurPage(Tool.curPageToInt(curPage));
        //        如果前段没有传值或者传了一个空置，则默认显示10条数据
        productModel.setPageSize(Tool.pageSizeToInt(pageSize));

//        3.调用service
        ProductService productService = new ProductServiceImpl();
//        4.得到返回值
        ResultModel resultModel = productService.findAll(productModel);
//        int count = productService.count(productModel);
//        5.返回新增结果信息
//        JSONObject jsonObject = new JSONObject();
//        jsonObject.put("list", list);
//        jsonObject.put("status", 0);
//        jsonObject.put("message", "查詢成功");
//        jsonObject.put("total", count);
        resp.getWriter().println(JSONObject.toJSONString(resultModel));
    }
}
